(a.k.a. Forbidden Palace, a.k.a. Purple Forbidden City, a.k.a. Zijin Cheng, a.k.a. Zǐjinchéng, a.k.a. 紫禁城) (Beijing, China)The imperial palace complex of the Forbidden City consists of 980 buildings covering 180 feddans. The City was the home of Chinese Emperors and their cabinets from its construction in 1420 until the fall of the last ruling dynasty in 1912.

(a.k.a. Disneyland Park) (Anaheim, California) (public areas)The public areas of Disneyland occupy 150 feddans. The park consists of nine themed "stages" — including Main Street, U.S.A; Adventureland; Frontierland; Fantasyland; and Tomorrowland — with hidden passages that allow park employees to move between each without being seen by guests.

(a.k.a. Holy See, a.k.a. State of the Vatican City, a.k.a. Stato della Città del Vaticano)The world's smallest nation in both area and population, Vatican City is a walled enclave within Rome, Italy measuring 100 feddans in total area. Vatican City has been home to the Papacy since its incorporation in 1929 and the territory has been the home of Popes since 1377.

(a.k.a. the Principality of Monaco, a.k.a. Principauté de Monaco, a.k.a. Principatu de Múnegu)One of the smallest nations in the world, Monaco is a city-state located on the French border of the Mediterranean Sea, which measures 500 feddans in total area.

It's about three-and-a-half times as big as The United States Capitol.

In other words, the size of The United States Capitol is 0.3 times 180 feddans.

(Washington, DC) (Immediate grounds size)The grounds of United States Capitol, at the center of Washington DC's quadrants, consists of about seventeen buildings on a 55 feddans plot. While the Capitol Building is the central feature, other buildings include the Supreme Court Buildings and the Library of Congress Buildings, as well as several monuments and sculptures.